Door-opener.



S. EGN.

D003 PENER.

APPLICATION .FILED .mv/.19, 1911.

TE STARS CHARLES Ronin, oFIsANrI, MINNESOTA.

DQQIRfOPENER.

4specifeation f Letters Patent.

Application filed November 19, 1917. Serial 110.202,85?"

To all whom 'it may concern;

`Be it known thatvI, CHARLEs RoD1N,a citizen of the United States, residing at I do hereby declare;w the following to be a full, clear, and enact description of vthe inw'ention, such as'v will lenable others skilled in the art to which it appertai'ns to make anduse the same. l y

This lnvention relates -.to openers for double doors such as'used on churches, ga-

rages, and variousjpublic buildings; and it a L5 ,conslsts 1n the novel constructloir and com# bination of the parts hereinafter5 fully described and claimedwliereby both doorsA ork door sections are constrained 'to open and close sunultaneously. In the drawmgs, Fig- The other endV portion of the l'vgr is curved rearwardly. The other door has an' anchorbracket secured to it adjacent to the axls of its hinge, and projecting forgfardly 'of it.

This bracket has a flat top Patented .july 1c, 1918.

portion provided with a row of pivothole's 2l for adjustment purposes, Vand arranged parallel to the door. A coupling rod 22 is provided, and oneend of it is connected to the curved end portion 17 of thelever; by

a pivot 24. The other end of the Trod 22 is provided with a pivot 25 which engageswith either of the holes 21 in the anchor bracket..

The full lines in Fig2 show the-'doors in their 4closed positions.

move to the positionsshown in dotted lines, so that thel doors'rare 'constrained to `open s1multaneously.'V Both doors also. close simul- When one ,door is' vpulled open by its handle, the various parts 20 ure A1 'is a front cview of the upper portion Ataneously, and this construction is found to *of a double door provided with an opener. be a great advantage for garages, churches,"

' and manyother buildings 'which require to according to this invention. Fig; y2 is a plan View` of the same. y 1

AThe two doors or doorseetllons 2 are condoors opened with vlittle loss of-time. A 25 nectedto thed'oor postsor frame 3 by means What I claim is:

havewide door openings, and to have their" of lany approvedhinges Lifandthese doors are larranged-so that they move apart 'o 'n 'theirhingesfon.the same side of the door frame in the'act of opening. Oneof the 30 doors is provided with a handle-5, and any -evices are provided for'.

approved fastening. holding the doors closed.

pivot pin 8 which is varranged substantially in thesaine pla-neas the pivotpin of the adjacent hinge.- .l

4.0 A lever.V 10' is provided ands pivoted on the pin '8, and'is' arranged above the l level of the top 'of the doeii-jr One end of the lever 10 is straight,'and is pivotedby a pin 14 to allink12. Thelink 12 projects rearwardly 45 of the lever and is .pivoted at its other en to a pin 15 on the upper lend ofwa bracket 16 which is secured to the adjacent door at a little distance from ythe axis of 4its hinge.

j The combination, with a door frame, and two doors pivcted tothe Side portionsuof .the door frame `and both opening forwardly; ofa supportingV arm secured to one side portion of the door frame adjacent to the pvot of one door andprojecting forwardly; alle- '.verhavingiits middle part .fulcrumed on the 'said arm, said lever having a front end portion arranged substantially parallel to the saiddoor when closed, and having a rear endportion which. projects rearWardly-to wardthedoor frame, a link pivoted to the rfront end portion of the lever and to the said fdoor,l an 'anchor piece secured to the other door @djacentcto its pivot, and la con-. `nectiiig-rod pivoted to the rear end portion of the said lever and to the said anchor piece and lWorking crosswise of the Ysaid arm and to the rear ofthe fulcruln of the said lever.

In'testimony whereof I.. have aiiixed my signature.

CHARLES Ronin. f 

